Question

Please help me:(

Brianliest if answer is correct!
Due in 45min so please help. No need for work out, just answer is fine.

Answer 1

The answer to your question is: n = 0.027

Step-by-step explanation:

Data

P = 0.874 atm

T = 280 °K

V = 706 ml = 0.706 l

n = ?

R = 0.0802 atml/mol°K

Formula

PV = nRT

n =
`(PV)/(RT)`

Process

n =
`((0.874)(0.706))/((0.0802)(280))`

n= 0.617/ 22.96

n = 0.027